News Public safety center named in honor of city’s only fallen cop By Potomac Local News Published June 15, 2022 at 1:53PM | Updated June 28, 2022 at 7:58AM Manassas City Police officer Sgt. John David Conner III was shot and killed on July 24, 1988. This article is exclusively for our Locals Only members. Please Sign In or upgrade to become a Locals Only Member today! Your support helps us continue delivering more in-depth community news that matters to you. Thank you. Author Potomac Local News View all posts #Locals Only #News